SCHEME OF EXAMINATION
A. EQUIPMENT DATA B. REVISION HISTORY
Equipment No. F8210A Date Issue Rev Description Prepare Sign Reviewed Sign
Description Cooling Water Side Stream Filter A
Mfr. Serial No. A20134-001 Feb-17 1 0 Initial Izzati Shahrul
Func. Location DOSH Reg. No. TG PMT 8502 x YES May-17 2 1 Remove spanger pipe Izzati Shahrul
Painting
Unit 8000 CF Expiry 11-Mar-22 NO Oct-17 3 2 Remark for history and planning Ameer Shahrul
Section Cooling water Statutory Inspection X YES NO Feb-19 4 3 SD March 2019 Izzati Shahrul
Drawing P&ID 814 Equipment Type Shell and tube exch. Packed Vessel 20.Jän TA 21 4 Add inspection history ZZ NS/SK
Ref. No G.A. ASM1-00 Orientation Horizontal YES
Design Code ASME VIII Div. I Accessibility Intrusive entry x NO C. RBI SUMMARY Analysis Date: 14.03.2011
Size (mm) 2000 ID 2490 L Extend None Jacketed Corrosion Loop Remnant Highest
No Component CL Description Risk Rating
No. of Tube N/A Insulation Category None YES (CL) Life (Yrs) Risk Rating
Bundle Type N/A Material None x NO 1 Vessel 10 Cooling Water in CS 20 1A
Shell Side Jacket Pressure Relief Device 2
1A
Process Medium Water N/A Tag No. 3
Design (min/max) 11 Set Pres. (min/max), barg
Very Low
Pressure 4
(barg) Operating (min/max) 7 5
Temp. Design (min/max) 200 No Damage Mechanism Remarks Overall Summary
(oC) Operating (min/max) 30
1 Water (General + Localized Corr) Top & internal head
Postweld Heat Treatment
MATERIAL LIST
2 Atmospheric Corrosion External
Thickness (mm) Internal
Description Material Remarks
Nominal Corr Allw. Finish
3
Shell & head SA516 Gr. 70 12 1
Corrosion
4
D. INSPECTION REQUIREMENT (Tick if required)
VISUAL Profile RT
ONSTREAM
UTTM IR
EXTERNAL UTFD PAUT
MPT C-Scan
DPT EMAT
100% coverage on shell, head, nozzle, support leg, painting
VISUAL x PMI
condition and other external parts
UTTM x As per baseline UT points PAUT
UTFD C-Scan
EXTERNAL TOFD PEC
MPT RT
DPT HARDNESS
IR Others
Monitor pitting at the top of head as reported previously.
VISUAL x CREEP/PI-TAPE
SHUTDOWN
Look for other indication at internal or external parts
UTTM BOROSCOPE
UTFD VIDEOSCOPE
DPT REPLICA TEST
MPT LOTIS/H-SCAN
INTERNAL RT FTIS
RFET Others
IRIS HYDRO TEST (barg) PNEUMATIC TEST (barg)
ECT SHELL SHELL
MFL TUBE TUBE
HARDNESS
HOLIDAY TEST VACUUM BOX TEST (barg)
E. PREVIOUS FINDING
Year Finding Location Remark Year Finding Location Remark
2018 2018 Equipment was not available for internal inspection
No abnormalities
2019 Paint deterioration with presence of 50% on all
corrosion components To monitor and measure depth of
2019
pitting
Metal loss with pitting depth <1mm Top head
External
Internal
F. DISMANTLING (Tick if required)
Open / Refit Insp. Window Open Trays Manways
Remove / Refit Insulation Remove Packing
Open Manhole x Top and side manhole Drop Exch Cover / Channel Hea
EXTERNAL Open Nozzle F nozzle to drain INTERNAL Pull Tube Bundle
x
Remove AFC Plugs Open Demisters / Filters
Others Others x Remove sand & internal sparger pipe
G. CLEANING (Tick if required)
Handtool Handtool
Powertool Powertool
Grit Blasting Grit Blasting
EXTERNAL Degreasing INTERNAL Hydrojet x Remove dirt by HPWJ
Others Air Blow x Prevent stagnant water after HPWJ
Chemical Cleaning
Not Applicable Others x Plant air purging
H. ACCESS REQUIREMENT (Tick if required)
Scaffolding Scaffolding
Ladder Ladder
Abseiling Abseiling
EXTERNAL INTERNAL
Gondola Gondola
Air Diving Air Diving
Others Others
I. OTHER REQUIREMENT (Tick if required)
Touch up Painting Passivation
Power Supply Power Supply x For lighting if necessary
Others Ventilation x For internal entry
EXTERNAL INTERNAL
Lighting x For internal entry
Safe Entry Test x For internal entry
Others
J. REMARKS
